单项选择题
A.furnishes support to the rudder，propeller shaft，and transom frame B.provides foundations for after mooring winches C.provides foundations for the main propulsion engines D.transfers the driving force of the propeller to the hull
In selecting a tug for moving a vessel，consideration sh...
单项选择题In selecting a tug for moving a vessel，consideration should be given to its（）.
A.indicated horsepower，bollard pull，and displacement B.indicated horsepower，maneuverability，and displacement C.indicated horsepower，bollard pull，and maneuverability D.bollard pull，displacement，and maneuverability
In order to reduce your wake in a narrow channel you sh...
单项选择题In order to reduce your wake in a narrow channel you should（）.
A.apply enough rudder to counter the effect of the current B.change your course to a zigzag course C.reduce your speed D.shift the weight to the stern
In most cases，when a large merchant vessel enters shall...
单项选择题In most cases，when a large merchant vessel enters shallow water at high speed the（）.
A.maneuverability will increase B.speed will increase C.bow will squat farther than the stern D.vessel will rise slightly，on a level plane
